Balsamorhiza deltoidea Nutt.
deltoid balsamroot
Asteraceae (Aster family)

Introduction to Vascular Plants


© Patrick Lilley     (Photo ID #6761)


E-Flora BC Static Map

Distribution of Balsamorhiza deltoidea
Click here to view the full interactive map and legend

Species Information

Perennial herb from a deep taproot and woody stem-base; stems ascending, few to several, densely glandular and sparsely long-hairy, 0.2-1.0 m tall.
Basal leaves long-stalked, the blades mostly triangular, 10-50 cm long, 10-20 cm wide, green, inconspicuously stiff-hairy and often glandular, prominently nerved, round-toothed; stem leaves few, lanceolate to linear, greatly reduced.
Heads with ray and disk flowers, 1-4, the disk 2.5 cm or more, the lateral heads smaller; involucral bracts lanceolate to oblong-lanceolate, slightly woolly, the outer ones 1-4 cm long and herbaceous, exceeding the inner ones; ray flowers 13 or 21 in a terminal head, yellow, 2-3 cm long; disk flowers 5-7 mm long, yellow.
Achenes glabrous, 7-8 mm long; pappus lacking.

SourceThe Illustrated Flora of British Columbia


If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Habitat and Range

Dry grassy areas and rocky, open woodlands in the lowland zone; rare on SE Vancouver Island; S to CA.

SourceThe Illustrated Flora of British Columbia